<!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger-ui -->
    <dependency>
      <groupId>io.springfox</groupId>
      <artifactId>springfox-swagger-ui</artifactId>
      <version>2.9.2</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger2 -->
    <dependency>
      <groupId>io.springfox</groupId>
      <artifactId>springfox-swagger2</artifactId>
      <version>2.9.2</version>
    </dependency>

package cn.smileyan.swagger.config;

import org.springframework.beans.factory.annotation.Configurable;
import org.springframework.context.annotation.Bean;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

@EnableSwagger2
@Configurable
public class Swagger2 {
  /**
   * 特別要注意.apis(RequestHandlerSelectors.basePackage("cn.smileyan.swagger.controller"))
   * 此中的cn.smileyan.swagger.controller一定要修改為自己controller包。
   * @return
   */
  @Bean
  public Docket createRestApi() {
    return new Docket(DocumentationType.SWAGGER_2)
        .apiInfo(apiInfo())
        .select()
        .apis(RequestHandlerSelectors.basePackage("cn.smileyan.swagger.controller"))
        .paths(PathSelectors.any())
        .build();
  }

  private ApiInfo apiInfo() {
    return new ApiInfoBuilder().title("springboot使用swagger例子")
        .description("簡單優(yōu)雅的restful風格")
        .termsOfServiceUrl("https://smileyan.cn")
        .version("1.0")
        .build();
  }
}

package cn.smileyan.swagger;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

@SpringBootApplication
@EnableSwagger2
public class SwaggerApplication {

  public static void main(String[] args) {
    SpringApplication.run(SwaggerApplication.class, args);
  }
}

package cn.smileyan.swagger.controller;

import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

@RestController
@RequestMapping("/user")
public class UserController {

  @ApiOperation(value = "用戶測試",notes = "貴賓用戶")
  @RequestMapping(value = "",method = RequestMethod.GET)
  private Map<String,String> getUser() {
    Map<String,String> map = new HashMap<>(1);
    map.put("result","success");
    return map;
  }
}